Genuine OEM Audi Coolant Pump, part number 06E121018B. This essential component is responsible for circulating coolant throughout the engine cooling system, effectively dissipating heat and preventing engine overheating. It is typically mounted on the engine block and driven by a belt. Constructed from durable cast aluminum, this pump weighs approximately 0.74 kg, ensuring robust performance. Opting for a genuine OEM coolant pump guarantees precise impeller design, correct sealing, and durable bearings, which are crucial for maintaining optimal engine operating temperatures and preventing premature failure.